leveraging social data with semantics w3c workshop on the future of social networking 15-16 january...
Post on 19-Dec-2015
219 views
TRANSCRIPT
LeveragingSocial
datawith
Semantics
W3C Workshop on the Future of Social Networking15-16 January 2009, BarcelonaFabien Gandon, INRIA
RDF
RDFSOWL
rules
networks
profiles
tagsforum
mails
Web 2.0
inference
approximation
query
notify monitor
foster
SPARQL
Web linkschats
beetweenness centrality reveals brokers« A place for good ideas » [Burt 1992] [Burt 2004]
sociograms and analysis
W3C
W3C
W3C®
graphs, graphs, graphs, …
FabienFabien
MarcoMarco GuillaumeGuillaume
NicolasNicolas
MichelMichel
RémiRémi
social network analysis
FabienFabiencreatorcreator
authorauthor
ManMan
typedoc.htmldoc.html
author
Semantic web is not antisocialSemantic web is not antisocial
PersonPerson
ManMan
sub property sub class
semantic web
),(;)( pxrelxpdin
4)( Guillaumedin
creator
PersonPerson
type
classic SNA on semantic web graphs
RDFgraph
non-typed graphs
leveraging the full semantic web stack
SPARQL + ExtensionsSPARQL + Extensions
Social Network Analysis Ontology Social Network Analysis Ontology
FOAF, RELATIONSHIP, SIOC,
DC, SKOS, SCOT, DOAP, MOAT
FOAF, RELATIONSHIP, SIOC,
DC, SKOS, SCOT, DOAP, MOATDomain
Ontologies
Domain
Ontologies
RDF/S, OWL RDF/S, OWL GRDDL GRDDL RDFa RDFa
µformatsµformatsXMLXMLWrappers & web 2.0 APIsWrappers & web 2.0 APIs
social data
Semantic Social Network AnalysisSemantic Social Network Analysis
[PhD Guillaume Erétéo]
ADD {?y semsna:hasInDegree _:b0 _:b0 semsna:forProperty param[type] _:b0 rdf:value ?indegree _:b0 semsna:hasLength param[length]
}SELECT ?y count(?x) as ?indegree {?x $path ?yfilter(match($path, star(param[type])))filter(pathLength($path)<= param[length])
} group by ?y
Broker!parameterized in-degree
)(d olengthtype, yin
[PhD Guillaume Erétéo]
long tail distribution of the betweenness centralities50 000 projections on 2020 FOAF profiles extracted from flickr.com [Freeman, 1979]
[PhD Guillaume Erétéo]
social
semantic
graphs
global
other graphs available too...
e.g. capture bookmarks and their tags
co-tags extracted from delicious for “ademe”6054 bookmarks, 16 users, 5153 tags, 5969 resources
[PhD Freddy Limpens]
global giant graphlinking users, actions, knowledge, companies, etc.
#Freddy
#bk81
hasBookmark
hasTag#tag27
industry
hasLabel
#Fabien
#bk34
#tag92
industries
hasBookmark
hasLabelhasTag
shareInterest
link amaximumof graphs
closingmessages
open issues
scale security
open yourmobile web
openyour data
mobileweb ok
+ =
some bridges already exist...POWDER : information about web resource(s) without retrieving the resource(s)
Vocabularies : Device Description Vocabulary (MWI), Delivery Context Ontology (UWA), CC/PP Structure and Vocabularies
Semantic Web applications on phones: DBPedia Mobile, i-MoCo (250 million triples)
ISICIL projectsocial web applications and semantic web frameworks for corporate applications.• enterprise social networking;• business intelligence, watching, monitoring;• communities of interest, of practice;• web 2.0 & corporate processes integration;• trust, privacy, confidentiality.
http://www.slideshare.nethttp://www.slideshare.net
Fabien GandonFabien Gandon
[email protected]@sophia.inria.fr
http://ns.inria.fr/fabien.gandon/foaf#mehttp://ns.inria.fr/fabien.gandon/foaf#me
PersonPerson
typename
slidesOn
identifies